Microphone with binary output indicating ambient sound, available from SparkFun Electronics.
Arduino
Latest commit 1947020 Feb 28, 2014 @Jacquot-SFE Jacquot-SFE Remioving incomplete documentation.
Please see the online hookup guide for actual docs:
https://learn.sparkfun.com/tutorials/sound-detector-hookup-guide

README.md

Sound_detector


Sound Detector
Sound Detector

Electret microphone with multiple outputs.

  • First output is the actual audio
  • Second output is the amplitude envelope
  • Third output is a binary "sound present" indication - high while sound is present, low otherwise.

Design and firmware files for the VKey Voltage Keypad.

Repository Contents

  • /Documents - Additional design files including LTspice simulation
  • /Hardware - Eagle PCB and schematic files
  • /Production - Production panel file
  • /Software - Arduino example code

License Information

The hardware is released under Creative Commons ShareAlike 4.0 International. The code is beerware; if you see me (or any other SparkFun employee) at the local, and you've found our code helpful, please buy us a round!

Distributed as-is; no warranty is given.

Author: Byron Jacquot @ SparkFun Electonics